結果
問題 | No.312 置換処理 |
ユーザー | holeguma |
提出日時 | 2015-12-05 00:23:16 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 105 ms / 2,000 ms |
コード長 | 3,058 bytes |
コンパイル時間 | 3,009 ms |
コンパイル使用メモリ | 79,044 KB |
実行使用メモリ | 39,100 KB |
最終ジャッジ日時 | 2024-11-15 11:45:27 |
合計ジャッジ時間 | 7,199 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 55 ms
37,612 KB |
testcase_01 | AC | 95 ms
38,544 KB |
testcase_02 | AC | 105 ms
39,100 KB |
testcase_03 | AC | 103 ms
38,872 KB |
testcase_04 | AC | 56 ms
36,912 KB |
testcase_05 | AC | 54 ms
38,076 KB |
testcase_06 | AC | 86 ms
38,608 KB |
testcase_07 | AC | 93 ms
38,800 KB |
testcase_08 | AC | 81 ms
38,800 KB |
testcase_09 | AC | 81 ms
38,204 KB |
testcase_10 | AC | 79 ms
38,144 KB |
testcase_11 | AC | 89 ms
38,680 KB |
testcase_12 | AC | 76 ms
38,480 KB |
testcase_13 | AC | 62 ms
37,788 KB |
testcase_14 | AC | 61 ms
37,820 KB |
testcase_15 | AC | 59 ms
37,440 KB |
testcase_16 | AC | 57 ms
36,632 KB |
testcase_17 | AC | 61 ms
37,344 KB |
testcase_18 | AC | 60 ms
37,456 KB |
testcase_19 | AC | 62 ms
37,712 KB |
testcase_20 | AC | 66 ms
37,656 KB |
testcase_21 | AC | 64 ms
37,772 KB |
testcase_22 | AC | 53 ms
36,816 KB |
testcase_23 | AC | 53 ms
36,504 KB |
testcase_24 | AC | 53 ms
36,964 KB |
testcase_25 | AC | 52 ms
36,796 KB |
testcase_26 | AC | 52 ms
36,816 KB |
testcase_27 | AC | 53 ms
36,912 KB |
testcase_28 | AC | 52 ms
37,052 KB |
testcase_29 | AC | 54 ms
36,816 KB |
testcase_30 | AC | 73 ms
37,892 KB |
testcase_31 | AC | 54 ms
36,872 KB |
testcase_32 | AC | 70 ms
37,960 KB |
testcase_33 | AC | 83 ms
38,348 KB |
testcase_34 | AC | 84 ms
38,444 KB |
testcase_35 | AC | 76 ms
38,192 KB |
testcase_36 | AC | 52 ms
36,456 KB |
testcase_37 | AC | 53 ms
36,888 KB |
testcase_38 | AC | 52 ms
36,576 KB |
testcase_39 | AC | 61 ms
37,296 KB |
testcase_40 | AC | 61 ms
37,060 KB |
testcase_41 | AC | 54 ms
36,696 KB |
testcase_42 | AC | 54 ms
36,888 KB |
testcase_43 | AC | 53 ms
36,600 KB |
testcase_44 | AC | 53 ms
36,880 KB |
ソースコード
import java.io.InputStream; import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Comparator; import java.util.InputMismatchException; import java.util.NoSuchElementException; import java.math.BigInteger; public class Main{ static PrintWriter out; static InputReader ir; static void solve(){ long n=ir.nextLong(); boolean[] p=new boolean[(int)Math.sqrt(n)+1]; for(int i=3;i<=Math.sqrt(n);i++){ if(p[i]) continue; if(n%i==0){ out.println(i); return; } else{ for(int j=i+i;j<=Math.sqrt(n);j+=i){ p[i]=true; } } } out.println((n%2==0&&n!=4)?n/2:n); } public static void main(String[] args) throws Exception{ ir=new InputReader(System.in); out=new PrintWriter(System.out); solve(); out.flush(); } static class InputReader { private InputStream in; private byte[] buffer=new byte[1024]; private int curbuf; private int lenbuf; public InputReader(InputStream in) {this.in=in; this.curbuf=this.lenbuf=0;} public boolean hasNextByte() { if(curbuf>=lenbuf){ curbuf= 0; try{ lenbuf=in.read(buffer); }catch(IOException e) { throw new InputMismatchException(); } if(lenbuf<=0) return false; } return true; } private int readByte(){if(hasNextByte()) return buffer[curbuf++]; else return -1;} private boolean isSpaceChar(int c){return !(c>=33&&c<=126);} private void skip(){while(hasNextByte()&&isSpaceChar(buffer[curbuf])) curbuf++;} public boolean hasNext(){skip(); return hasNextByte();} public String next(){ if(!hasNext()) throw new NoSuchElementException(); StringBuilder sb=new StringBuilder(); int b=readByte(); while(!isSpaceChar(b)){ sb.appendCodePoint(b); b=readByte(); } return sb.toString(); } public int nextInt() { if(!hasNext()) throw new NoSuchElementException(); int c=readByte(); while (isSpaceChar(c)) c=readByte(); boolean minus=false; if (c=='-') { minus=true; c=readByte(); } int res=0; do{ if(c<'0'||c>'9') throw new InputMismatchException(); res=res*10+c-'0'; c=readByte(); }while(!isSpaceChar(c)); return (minus)?-res:res; } public long nextLong() { if(!hasNext()) throw new NoSuchElementException(); int c=readByte(); while (isSpaceChar(c)) c=readByte(); boolean minus=false; if (c=='-') { minus=true; c=readByte(); } long res = 0; do{ if(c<'0'||c>'9') throw new InputMismatchException(); res=res*10+c-'0'; c=readByte(); }while(!isSpaceChar(c)); return (minus)?-res:res; } public double nextDouble(){return Double.parseDouble(next());} public BigInteger nextBigInteger(){return new BigInteger(next());} public int[] nextIntArray(int n){ int[] a=new int[n]; for(int i=0;i<n;i++) a[i]=nextInt(); return a; } public long[] nextLongArray(int n){ long[] a=new long[n]; for(int i=0;i<n;i++) a[i]=nextLong(); return a; } public char[][] nextCharMap(int n,int m){ char[][] map=new char[n][m]; for(int i=0;i<n;i++) map[i]=next().toCharArray(); return map; } } }